In [1]:
import pandas as pd
import plotly as py
import plotly.express as px

py.offline.init_notebook_mode()

data = {'Country':['China','India','Germany','France'],
        '2021':[2000,1000,500,200],
        '2022':[3000,500,5000,10]
        }

df = pd.DataFrame(data)


df
Out[1]:
Country 2021 2022
0 China 2000 3000
1 India 1000 500
2 Germany 500 5000
3 France 200 10
In [2]:
numb = (df['Country']=='India').index
df.loc[1]
Out[2]:
Country    India
2021        1000
2022         500
Name: 1, dtype: object
In [3]:
fig = px.bar(df,x='Country',y=['2021','2022'],title = 'Representation of 2022 population',barmode = 'group')
fig.show()
In [4]:
from dash import Dash,html,dcc,Input,Output
from jupyter_dash import JupyterDash

app = JupyterDash()
In [5]:
app.layout = html.Div([

html.Div([
html.H1(children = 'Population vs Country for the year 2022',style = {'textAlign':'Center','color':'black','background-color':'coral','font-size':'20px','font-family':'Times New Roman'})
    ]),
    

    
html.Div([
html.Label('Countries'),
dcc.RadioItems(['China','India','Germany','France'],'India',id = 'Country1',labelStyle = {'display':'block'}, style = {'font-family':'Arial'}),

    

html.Label('Year',style={'margin-left':'100px'}),
dcc.Checklist(['2021','2022'],['2021'],id = 'Year1', labelStyle = {'display':'block'},style = {'font-family':'Arial'}),

],style = {'display':'flex','font-family':'Arial','background-color':'Burlywood'}
),
    
html.Div([dcc.Graph(id = 'Bar_graph',figure = fig,style = {'height':250,'width':450,'display':'inline-block'})],style={'margin-left':'200px'})
    
    
],style = {'background-color':'Black'}


)
In [6]:
@app.callback(Output(component_id  = 'Bar_graph',component_property = 'figure'),
                Input(component_id = 'Country1',component_property = 'value'),
                Input(component_id = 'Year1',component_property = 'value'))

def get_graph(count,y1):
    df1 = df[df['Country']==count]
    fig1 = px.bar(df1,x='Country',y=y1,title = 'Representation of 2022 population',barmode = 'group')
    fig1.update_layout(autosize = False,width = 500,height = 300,xaxis_title = 'Country',yaxis_title = 'Population',plot_bgcolor='LightBlue',legend_title = 'Years')
    fig1.update_layout(font = dict(family = 'Times New Roman',size = 15, color = 'red'))
    fig1.update_traces(width = .05)
    
    fig1.update_layout(legend = dict(font = dict(family = 'Arial',size =10,color = 'black'),bgcolor = 'LightSteelBlue',bordercolor ='black'))
    
    return fig1
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In [7]:
if __name__ =='__main__':
    app.run_server(mode='inline',port = 6789)
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